Researchers Are Testing Three Groups of Children Aged Two and a Half,three

Multiple Choice

Researchers are testing three groups of children aged two and a half,three and a half,and four and a half.In order to determine whether they have attained theory of mind,they give each group of children the __________ task,which examines children's ability to understand that someone else believes something they know to be wrong.

A) conservation
B) object permanence
C) self-concept
D) false-belief